Route 126 is a highway located entirely within Barton County in the U.S. state of Missouri. Its western terminus is at the Kansas state line, where K-126 ends. The route goes in a straight line for most of its length, and intersects Interstate 49 (I-49) and U.S. Route 71. Its eastern terminus is at US 160 and Route 37 in Golden City. The route was designated in 1942, and formerly consisted of two supplemental routes.
Route 101 is a short highway in southern Missouri. The route starts at Arkansas Highway 101 at the Arkansas–Missouri state line, and travels northeastward. It travels through the city of Bakersfield, intersecting Route 142. The road then continues north to its northern terminus at U.S. Route 160 in Caulfield. The route was designated in 1941, after a supplementary route was renumbered.
Route 164 is a state highway in the Missouri Bootheel. The route starts at U.S. Route 412 in Cardwell. The route travels eastward across the bootheel, and it goes through the towns of Arbyrd, Hornersville, Rives, and Steele. It becomes concurrent with US 61 briefly in Steele, and intersects Interstate 55 (I-55) east of the city. The route ends east of Cottonwood Point, near the Mississippi River.
Route 246 is a 15.002-mile-long (24.143 km) east–west highway in extreme northern Missouri. The western terminus is at Route 148 in Hopkins. The route travels eastward to supplemental Route E, where it becomes concurrent and starts traveling south. It then continues east to its terminus at Route 46 east of Sheridan. Formerly a spur route of Route 46 and supplemental Route D, Route 246 was designated around 1954, and was extended west to Hopkins in 1955.
Route 16 is a 16.709-mile-long (26.891 km) highway in Lewis County, Missouri. The western terminus is at Route 6 east of Lewistown. The route travels eastward, through Monticello and over a few rivers. Route 16 then intersects U.S. Route 61. The route ends at US 61 Business and Route B in Canton. The road was formerly part of Route 6, but it was rerouted in 1931. The old alignment was renumbered Route 96 that year. Ten years later, the route was renumbered to Route 16.
Route 102 is a highway in southeastern Missouri. The route starts at Route 105 near East Prairie. It travels southeastwards through farmland to Big Oak Tree State Park. The road then turns east past the entrance to the park, and ends at its eastern terminus at Route 77 in Dorena. The route was designated in 1940, as a road from the state park to a supplemental route. Route 102 replaced a large section of the supplemental route in 1961, and then was extended eastwards to a new terminus at Route 77 in 1994.
Route 162 is a state highway in the Missouri Bootheel. Its western terminus is at Route 25 in Clarkton, Dunklin County, and the route travels eastward to nearby towns of Gideon and Portageville, where it intersects U.S. Route 61 and Interstate 55 (I-55). The road then continues through rural New Madrid County and ends at a boat ramp near the Mississippi River.
Route 143 is a short state highway in southern Missouri. The route starts at Missouri Route 34 near Patterson, and it travels north through Sam A. Baker State Park. North of the park, Route 143 turns westwards and ends at Route 49 at Des Arc. The road that became part of Route 143 was constructed around 1934, as a supplemental route traveling east from Des Arc. Four years later, a new state route, Route 101, was constructed from Route 34 to the state park, and it was renumbered to Route 143 in 1941. By 1964, a new supplemental route connected the two routes. The two supplemental routes were merged into Route 143 around six years later.
Route 103 is a short highway in southeastern Missouri. Its southern terminus is at Route Z inside the Ozark National Scenic Riverways. The route travels north and intersects a few county roads as it leaves the national park. The road ends at U.S. Route 60 in a three-way junction. After being proposed in 1930, a road was built from the national park to US 60 in 1933. The gravel road was designated as Route 103, and it was paved five years later.
Route 48 is a state highway in northwestern Missouri. Its western terminus is located at U.S. Route 71 north of Savannah. The route travels eastward across the communities of Rosendale, Rea, and Whitesville. The road ends at US 169 in King City, about 20 miles (32 km) from its western terminus. The road was designated around 1926, and was completely laid down with gravel by 1936 and paved in asphalt by 1942.
Mississippi Highway 469 is a state highway in central Mississippi, located in Simpson and Rankin counties. The route starts at MS 28 near Georgetown, and it travels north through western Simpson County. The road enters the community of Harrisville and enters Rankin County soon after. It intersects U.S. Route 49 in Florence, and it ends at MS 468 near Whitfield. The route was designated in 1953, and it was extended southwards to MS 20 in 1956. By 1960, all of the route was paved with asphalt.
Interstate 55 (I-55) is a north–south Interstate Highway that has a 72.22-mile (116.23 km) section in the US state of Arkansas connecting sections in Tennessee and Missouri. The route enters Arkansas on the Memphis & Arkansas Bridge over the Mississippi River from Memphis. It travels northward through northeast Arkansas, connecting the cities of West Memphis and Blytheville. I-55 continues into Missouri heading to St. Louis, Missouri. The highway overlaps I-40 in West Memphis and has a junction with I-555, a spur route to Jonesboro, in Turrell. For the majority of its routing through Arkansas, I-55 generally follows U.S. Highway 61 (US 61).
Route 84 is a state highway in the Missouri bootheel. The route starts at Arkansas Highway 90 over the St. Francis River on the Arkansas–Missouri state line. The road travels eastward to Kennett, where it becomes concurrent with U.S. Route 412. East of Kennett, the concurrent routes travel eastward on a divided highway to Hayti Heights, where the concurrency ends. Route 84 travels through Hayti Heights and Hayti, and it crosses Interstate 55 (I-55) and US 61. The route then travels southeastwards to Caruthersville, and bypasses the central area of the city. In the southern part of Caruthersville, Route 84 ends at an interchange with I-155 and US 412.
Highway 142 is a north–south state highway in Chicot County, Arkansas. The route starts its southern terminus at Levee Road near Lakeport. The road then travels north, passing through the Lakeport Plantation. It ends at its northern terminus at U.S. Route 82 and US 278 in Shives. AR 142 was designated in 1931, from US 61 to the Mississippi River, and part of the route was redesignated as part of US 82 in 1940. The route was paved in asphalt by 1962. The route is maintained by the Arkansas Department of Transportation (ArDOT).
Mississippi Highway 454 is a state highway in western Mississippi. MS 454 starts at U.S. Highway 82 and US 278. It travels eastward to its eastern terminus at MS 1. The road that became MS 454 was constructed in 1940 and opened the next year. MS 454 was designated in 1953, and has not changed significantly since.
Mississippi Highway 444 (MS 444) is a short highway in western Mississippi. Its western terminus is at MS 1, and travels eastward through six miles (9.7 km) of farmland. The route enters Duncan, and ends at U.S. Route 61 (US 61) and US 278, its eastern terminus. MS 444 was designated in 1958, and became paved two years later.
Mississippi Highway 792 is a road in eastern Mississippi. It starts at U.S. Route 45, and travels east. Near halfway of the route, SR 792 turns south and continues to its eastern terminus at MS 388. The highway was designated in 1998, and no major changes have been made since.
Mississippi Highway 382 is a state highway in eastern Mississippi. The route starts at U.S. Route 45 Alternate near Prairie and travels eastward. The road travels through farmland as it reaches Prairie. MS 382 then ends at MS 25 near Aberdeen. The road was constructed around 1951 from MS 45W west of Prairie to US 45 in Aberdeen, and it was designated by 1958. The eastern terminus was changed to MS 25 from US 45 by 1967.
Mississippi Highway 47 (MS 47) is a 23.048-mile-long (37.092 km) state highway located in the U.S. state of Mississippi. The route starts at MS 50 west of West Point in Clay County. The road then travels northwest through small communities in Clay and Chickasaw counties, and it intersects MS 8 in Trebloc, Chickasaw County. MS 47 ends at Aberdeen Road near Buena Vista, and the road continues as MS 385. The route was designated around 1934, from MS 10 near West Point to MS 8 in Buena Vista, and MS 8 was rerouted south through Trebloc by 1944. MS 47 was fully paved by 1958.
Mississippi Highway 245 is a state highway located in the U.S. state of Mississippi. It is the designation for two separate sections of the old U.S. Route 45 Alternate that the state continues to maintain. The Crawford section, designated in 2007, runs south to north from US 45 Alt. back to US 45 Alt. in Lowndes County. The other section's southern terminus is at US 45 Alt. south of Okolona in Chickasaw County and the northern terminus is at MS 145 in Shannon in Lee County. Along the way this section intersects MS 41 and the eastern terminus of MS 32 in Okolona. The section from Chickasaw County to Lee County was designated in 1998, after the completion of a four-lane bypass for US 45 Alt..
Route 80 east of East Prairie 
Route 105 west of Anniston 
